diff --git a/Benchmarks/cats/benchmark_cats.detector b/Benchmarks/cats/benchmark_cats.detector
index eadfe6eca35c3ab7fe5b84710a88655dd8a42b21..ce5e8c8acc4e2ed94ece4d562f63f04dd4910a04 100644
--- a/Benchmarks/cats/benchmark_cats.detector
+++ b/Benchmarks/cats/benchmark_cats.detector
@@ -1,12 +1,23 @@
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+Target
+ Thickness= 18 micrometer
+ Radius=  30 mm
+ Material= CD2
+ Angle= 0 deg
+ X= 0 mm
+ Y= 0 mm 
+ Z= 0 mm
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 CATSDetector
  X1_Y1= 38.86 -34.36 -1193 mm
  X28_Y1= -32.26 -34.36 -1193 mm
  X1_Y28= 38.86 37.36 -1193 mm
  X28_Y28= -32.26 37.36 -1193 mm
+ CATSNumber= 1
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%2
 CATSDetector
  X1_Y1= -35.56 -35.36 -684 mm
  X28_Y1= 35.56 -35.36 -684 mm
  X1_Y28= -35.56 35.76 -684 mm
  X28_Y28= 35.56 35.76 -684 mm
+ CATSNumber= 2